"While pricing during the national advertised launch was consistent with the test markets (Atlanta and Chicago), those markets were heavy wing markets which did not reflect some of our broader customers feelings towards the price and spice of the wings." - McDonald's spokeswoman Lisa McComb, talking about McDonald's rolling out Mighty Wings. The first attempt failed, but the chain is about to try again, this time offering them at a lower price (five for $3; previously they were about $1 per wing).

Hot video: NASA discovers 'mother lode' of planets

NASA announced that by using the Kepler Space Telescope, scientists have almost doubled the number of known exoplanets, including four in the habitable zone, which means the planets have mild enough temperatures to support life as we know it.